39530-20C PYREX 20mm Diameter 90° Coarse Porosity Fritted Di
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Corning PYREX® 20mm Diameter 90° Coarse Porosity Fritted Disc Gas Dispersion Tubes These 20mm diameter PYREX® tubes have a coarse porosity (40 to 60µm) fritted disc at an angle of approximately 15° and are used to disperse or scrub gas in liquids.. This permits the small gas bubbles to rise from the disc surface without excessive formation of large bubbles. Its performance is comparable to that of a horizontal disc (No. 39525). These tubes can be used in test tubes or flasks since a large opening is not required. For more information on fritted products, please check the Guide to Selecting and Using Fritted Glassware under Technical Literature. - COG